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algorithms/tree/binary_tree_paths.py at master · charlesuko/algorithms · GitHub
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algorithms
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binary_tree_paths.py
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algorithms
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binary_tree_paths.py
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def
binaryTreePaths
(
root
):
res
=
[]
if
not
root
:
return
res
DFS
(
res
,
root
,
str
(
root
.
val
))
return
res
def
DFS
(
res
,
root
,
cur
):
if
not
root
.
left
and
not
root
.
right
:
res
.
append
(
cur
)
if
root
.
left
:
DFS
(
res
,
root
.
left
,
cur
+
'->'
+
str
(
root
.
left
.
val
))
if
root
.
right
:
DFS
(
res
,
root
.
right
,
cur
+
'->'
+
str
(
root
.
right
.
val
))
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